/*
 * Activiti Modeler component part of the Activiti project
 * Copyright 2005-2014 Alfresco Software, Ltd. All rights reserved.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.

 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

/*
 * Execution listeners
 */

angular.module('activitiModeler').controller('ActivitiMessageDefinitionsCtrl', [
  '$scope',
  '$modal',
  function ($scope, $modal) {
    // Config for the modal window
    var opts = {
      template: 'editor-app/configuration/properties/message-definitions-popup.html?version=' + Date.now(),
      scope: $scope,
    };

    // Open the dialog
    $modal(opts);
  },
]);

//Need a separate controller for the modal window due to https://github.com/angular-ui/bootstrap/issues/259
// Will be fixed in a newer version of Angular UI
angular.module('activitiModeler').controller('ActivitiMessageDefinitionsPopupCtrl', [
  '$scope',
  '$q',
  '$translate',
  '$timeout',
  function ($scope, $q, $translate, $timeout) {
    // Put json representing mesage definitions on scope
    if ($scope.property.value !== undefined && $scope.property.value !== null && $scope.property.value.length > 0) {
      if ($scope.property.value.constructor == String) {
        $scope.messageDefinitions = JSON.parse($scope.property.value);
      } else {
        // Note that we clone the json object rather then setting it directly,
        // this to cope with the fact that the user can click the cancel button and no changes should have happened
        $scope.messageDefinitions = angular.copy($scope.property.value);
      }
    } else {
      $scope.messageDefinitions = [];
    }

    // Array to contain selected mesage definitions (yes - we only can select one, but ng-grid isn't smart enough)
    $scope.selectedMessages = [];
    $scope.translationsRetrieved = false;

    $scope.labels = {};

    var idPromise = $translate('PROPERTY.MESSAGEDEFINITIONS.ID');
    var namePromise = $translate('PROPERTY.MESSAGEDEFINITIONS.NAME');

    $q.all([idPromise, namePromise]).then(function (results) {
      $scope.labels.idLabel = results[0];
      $scope.labels.nameLabel = results[1];
      $scope.translationsRetrieved = true;

      // Config for grid
      $scope.gridOptions = {
        data: 'messageDefinitions',
        headerRowHeight: 28,
        enableRowSelection: true,
        enableRowHeaderSelection: false,
        multiSelect: false,
        keepLastSelected: false,
        selectedItems: $scope.selectedMessages,
        columnDefs: [
          { field: 'id', displayName: $scope.labels.idLabel },
          { field: 'name', displayName: $scope.labels.nameLabel },
        ],
      };
    });

    // Click handler for add button
    $scope.addNewMessageDefinition = function () {
      var newMessageDefinition = { id: '', name: '' };

      $scope.messageDefinitions.push(newMessageDefinition);
      $timeout(function () {
        $scope.gridOptions.selectItem($scope.messageDefinitions.length - 1, true);
      });
    };

    // Click handler for remove button
    $scope.removeMessageDefinition = function () {
      if ($scope.selectedMessages && $scope.selectedMessages.length > 0) {
        var index = $scope.messageDefinitions.indexOf($scope.selectedMessages[0]);
        $scope.gridOptions.selectItem(index, false);
        $scope.messageDefinitions.splice(index, 1);

        $scope.selectedMessages.length = 0;
        if (index < $scope.messageDefinitions.length) {
          $scope.gridOptions.selectItem(index + 1, true);
        } else if ($scope.messageDefinitions.length > 0) {
          $scope.gridOptions.selectItem(index - 1, true);
        }
      }
    };

    // Click handler for save button
    $scope.save = function () {
      if ($scope.messageDefinitions.length > 0) {
        $scope.property.value = $scope.messageDefinitions;
      } else {
        $scope.property.value = null;
      }

      $scope.updatePropertyInModel($scope.property);
      $scope.close();
    };

    $scope.cancel = function () {
      $scope.property.mode = 'read';
      $scope.$hide();
    };

    // Close button handler
    $scope.close = function () {
      $scope.property.mode = 'read';
      $scope.$hide();
    };
  },
]);
